220654980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:763

約数の個数: 288

約数和(自身を含む): 868358400

約数和(自身を除く): 647703420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 709, 741, 780, 798, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1418, 1482, 1596, 1638, 1710, 1729, 1820, 1995, 2127, 2223, 2340, 2394, 2470, 2660, 2730, 2836, 2964, 3276, 3420, 3458, 3545, 3705, 3990, 4095, 4254, 4446, 4788, 4940, 4963, 5187, 5460, 5985, 6381, 6916, 7090, 7410, 7980, 8190, 8508, 8645, 8892, 9217, 9926, 10374, 10635, 11115, 11970, 12762, 13471, 14180, 14820, 14889, 15561, 16380, 17290, 18434, 19852, 20748, 21270, 22230, 23940, 24815, 25524, 25935, 26942, 27651, 29778, 31122, 31905, 34580, 36868, 40413, 42540, 44460, 44667, 46085, 49630, 51870, 53884, 55302, 59556, 62244, 63810, 64519, 67355, 74445, 77805, 80826, 82953, 89334, 92170, 94297, 99260, 103740, 110604, 121239, 127620, 129038, 134710, 138255, 148890, 155610, 161652, 165906, 175123, 178668, 184340, 188594, 193557, 202065, 223335, 242478, 258076, 269420, 276510, 282891, 297780, 311220, 322595, 331812, 350246, 377188, 387114, 404130, 414765, 446670, 471485, 484956, 525369, 553020, 565782, 580671, 606195, 645190, 700492, 774228, 808260, 829530, 848673, 875615, 893340, 942970, 967785, 1050738, 1131564, 1161342, 1212390, 1225861, 1290380, 1414455, 1576107, 1659060, 1697346, 1751230, 1885940, 1935570, 2101476, 2322684, 2424780, 2451722, 2626845, 2828910, 2903355, 3152214, 3394692, 3502460, 3677583, 3871140, 4243365, 4903444, 5253690, 5657820, 5806710, 6129305, 6304428, 7355166, 7880535, 8486730, 10507380, 11032749, 11613420, 12258610, 14710332, 15761070, 16973460, 18387915, 22065498, 24517220, 31522140, 36775830, 44130996, 55163745, 73551660, 110327490, 220654980]

約数ペア:

[(1, 220654980), (2, 110327490), (3, 73551660), (4, 55163745), (5, 44130996), (6, 36775830), (7, 31522140), (9, 24517220), (10, 22065498), (12, 18387915), (13, 16973460), (14, 15761070), (15, 14710332), (18, 12258610), (19, 11613420), (20, 11032749), (21, 10507380), (26, 8486730), (28, 7880535), (30, 7355166), (35, 6304428), (36, 6129305), (38, 5806710), (39, 5657820), (42, 5253690), (45, 4903444), (52, 4243365), (57, 3871140), (60, 3677583), (63, 3502460), (65, 3394692), (70, 3152214), (76, 2903355), (78, 2828910), (84, 2626845), (90, 2451722), (91, 2424780), (95, 2322684), (105, 2101476), (114, 1935570), (117, 1885940), (126, 1751230), (130, 1697346), (133, 1659060), (140, 1576107), (156, 1414455), (171, 1290380), (180, 1225861), (182, 1212390), (190, 1161342), (195, 1131564), (210, 1050738), (228, 967785), (234, 942970), (247, 893340), (252, 875615), (260, 848673), (266, 829530), (273, 808260), (285, 774228), (315, 700492), (342, 645190), (364, 606195), (380, 580671), (390, 565782), (399, 553020), (420, 525369), (455, 484956), (468, 471485), (494, 446670), (532, 414765), (546, 404130), (570, 387114), (585, 377188), (630, 350246), (665, 331812), (684, 322595), (709, 311220), (741, 297780), (780, 282891), (798, 276510), (819, 269420), (855, 258076), (910, 242478), (988, 223335), (1092, 202065), (1140, 193557), (1170, 188594), (1197, 184340), (1235, 178668), (1260, 175123), (1330, 165906), (1365, 161652), (1418, 155610), (1482, 148890), (1596, 138255), (1638, 134710), (1710, 129038), (1729, 127620), (1820, 121239), (1995, 110604), (2127, 103740), (2223, 99260), (2340, 94297), (2394, 92170), (2470, 89334), (2660, 82953), (2730, 80826), (2836, 77805), (2964, 74445), (3276, 67355), (3420, 64519), (3458, 63810), (3545, 62244), (3705, 59556), (3990, 55302), (4095, 53884), (4254, 51870), (4446, 49630), (4788, 46085), (4940, 44667), (4963, 44460), (5187, 42540), (5460, 40413), (5985, 36868), (6381, 34580), (6916, 31905), (7090, 31122), (7410, 29778), (7980, 27651), (8190, 26942), (8508, 25935), (8645, 25524), (8892, 24815), (9217, 23940), (9926, 22230), (10374, 21270), (10635, 20748), (11115, 19852), (11970, 18434), (12762, 17290), (13471, 16380), (14180, 15561), (14820, 14889)]